in between money events the president attended a dedication at the cesar chavez national monument. >> our world is a better place because caesar chavez decided to change it. >> reporter: with president obama and mitt romney both in ohio today, the focus is likely to shift back to the economy. rob and paula, back to you. >> thanks a lot, karen. >>> this thursday, it's the candidates for vice president who will meet face to face, and our own martha raddatz will moderate that debate. abc, of course, will carry it live. it all kicks off at 9:00 p.m. eastern time. they say bind could be feeling the pressure. the president did so poorly. now pressure on joe's shoulders to come out there and kind of maybe put -- you know, spark a fire that the president could not. also interesting, came out yesterday from our pollster at "the washington post" is that the composition of the polls has changed a little bit. that can explain some of the shift in the numbers. both in the gallup and pew poll, self-identified democrats, that number was higher in the predebate polls. self-identified republicans were